Hardware User's Guide

12 Intel® Integrated RAID Module RMS2MH080 Hardware User’s Guide
Figure 5. Hardware Block Diagram
Major Components
LSI* SAS2108 ROC
The LSI* SAS2108 RAID-On-Chip (ROC) is an integrated SAS and I/O controller with
an embedded Power PC* 440 core running at 800 MHz. For more information, see
http://www.lsi.com/. The LSI* SAS2108 ROC provides the following functions:
• x8 PCI Express* bus operating at 6.0 Gbps serial transfer rate
• Spread Spectrum Clocking (SSC)
• SAS/SMP/STP/SATA support
• Supports SAS and SATA devices
• Initiator and Target mode (SSP)
• Wide port support
• T10 End-to-End Data Protection (EEDP)
SFF8087 Internal
SAS/SATA
CONNECTOR
Ports 0-3
LSI* SAS ROC
2108
512MB DDR2 800MHz Memory
SFF8087 Internal
SAS/SATA
CONNECTOR
Ports 4-7
FLASH
NVSRAM
SUPPORT
FOR BBU,
AUDIBLE
WARNING
DEBUG
LOCAL BUS
DDR2 800
MEMORY BUS
PCI-E
(x4)
PCI-E
(x4)
GPIOs
TX RX TX RX
PCI-E* 2.0x4 Connector A PCI-E* 2.0x4 Connector B
AF003484